以下哪种成分肾结石口服溶石药物是首选的治疗措施()
A.碳酸钙
B.草酸钙
C.磷酸镁铵
D.胱氨酸
E.尿酸
参考答案:E
____ himself with necessary knowledge and skills, Tom went to the job market with much confidence.
A.Equipped
B.Equipping
C.Having equipped
D.Being equipped
现代药房管理的核心是保证用药的
A.安全
B.有效
C.经济
D.及时
E.合理